Efficient male germ line transformation for transgenic tobacco production without selection

Efficient male germ line transformation for transgenic tobacco production without selection Microspores at late uninucleate/early binucleate stages were isolated from flower buds of tobacco (Nicotiana tabacum L.) and in vitro culture methods optimised for their maturation to fully functional viable pollen which, after application to the stigma of emasculated plants in situ, led to the generation of large numbers of seed. Efficient protocols were established for the biolistic introduction of a construct containing a reporter gene and selectable marker into these microspores and hence, after in vitro maturation and in situ fertilisation, for the generation of transgenic plants. Stable transformants of low copy number were generated by this procedure. The efficiency of transformation achieved allows the production of large numbers of transgenic plants without selection, dispensing with the requirement for a selectable marker in plant transgenesis. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Plant Molecular Biology Springer Journals

Efficient male germ line transformation for transgenic tobacco production without selection

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 2003 by Kluwer Academic Publishers
Subject
Life Sciences; Biochemistry, general; Plant Sciences; Plant Pathology
ISSN
0167-4412
eISSN
1573-5028
D.O.I.
10.1023/A:1021199718356
Publisher site
See Article on Publisher Site

Abstract

Microspores at late uninucleate/early binucleate stages were isolated from flower buds of tobacco (Nicotiana tabacum L.) and in vitro culture methods optimised for their maturation to fully functional viable pollen which, after application to the stigma of emasculated plants in situ, led to the generation of large numbers of seed. Efficient protocols were established for the biolistic introduction of a construct containing a reporter gene and selectable marker into these microspores and hence, after in vitro maturation and in situ fertilisation, for the generation of transgenic plants. Stable transformants of low copy number were generated by this procedure. The efficiency of transformation achieved allows the production of large numbers of transgenic plants without selection, dispensing with the requirement for a selectable marker in plant transgenesis.

Journal

Plant Molecular BiologySpringer Journals

Published: Oct 17, 2004

References

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